Prime Suspect 3 (1993)

Starring: David Thewlis, Helen Mirren and Ciaran Hinds as Edward Parker-Jones.
Synopsis: Helen Mirren returns as DCI Jane Tennison, newly assigned to the vice squad she finds herself embroiled in a sordid murder case with ties to 'higher ups' who would just as soon see the case go unsolved. Ciaran Hinds plays a case worker who isn't all he seems.